diff options
Diffstat (limited to 'src/plugins/quic')
| -rw-r--r-- | src/plugins/quic/quic.c | 471 | ||||
| -rw-r--r-- | src/plugins/quic/quic.h | 15 |
2 files changed, 209 insertions, 277 deletions
diff --git a/src/plugins/quic/quic.c b/src/plugins/quic/quic.c index ff0e0d60230..96416a78207 100644 --- a/src/plugins/quic/quic.c +++ b/src/plugins/quic/quic.c @@ -38,7 +38,9 @@ static char *quic_error_strings[] = { static quic_main_t quic_main; static void quic_update_timer (quic_ctx_t * ctx); -static int quic_on_client_connected (quic_ctx_t * ctx); +static int quic_check_quic_session_connected (quic_ctx_t * ctx); + +/* Helper functions */ static u32 quic_ctx_alloc (u32 thread_index) @@ -48,7 +50,7 @@ quic_ctx_alloc (u32 thread_index) pool_get (qm->ctx_pool[thread_index], ctx); - memset (ctx, 0, sizeof (quic_ctx_t)); + clib_memset (ctx, 0, sizeof (quic_ctx_t)); ctx->c_thread_index = thread_index; QUIC_DBG (3, "Allocated quic_ctx %u on thread %u", ctx - qm->ctx_pool[thread_index], thread_index); @@ -61,7 +63,7 @@ quic_ctx_free (quic_ctx_t * ctx) QUIC_DBG (2, "Free ctx %u", ctx->c_c_index); u32 thread_index = ctx->c_thread_index; if (CLIB_DEBUG) - memset (ctx, 0xfb, sizeof (*ctx)); + clib_memset (ctx, 0xfb, sizeof (*ctx)); pool_put (quic_main.ctx_pool[thread_index], ctx); } @@ -156,6 +158,19 @@ quic_get_quicly_ctx_from_udp (u64 udp_session_handle) return (quicly_context_t *) app->quicly_ctx; } +static inline void +quic_set_udp_tx_evt (session_t * udp_session) +{ + int rv = 0; + if (svm_fifo_set_event (udp_session->tx_fifo)) + rv = session_send_io_evt_to_thread (udp_session->tx_fifo, + SESSION_IO_EVT_TX); + if (PREDICT_FALSE (rv)) + clib_warning ("Event enqueue errored %d", rv); +} + +/* QUIC protocol actions */ + static void quic_ack_rx_data (session_t * stream_session) { @@ -165,9 +180,8 @@ quic_ack_rx_data (session_t * stream_session) quicly_stream_t *stream; quic_stream_data_t *stream_data; - sctx = - quic_ctx_get (stream_session->connection_index, - stream_session->thread_index); + sctx = quic_ctx_get (stream_session->connection_index, + stream_session->thread_index); ASSERT (quic_ctx_is_stream (sctx)); stream = sctx->stream; stream_data = (quic_stream_data_t *) stream->data; @@ -405,11 +419,7 @@ quic_send_packets (quic_ctx_t * ctx) while (num_packets > 0 && num_packets == max_packets); stop_sending: - if (svm_fifo_set_event (udp_session->tx_fifo)) - if ((err = - session_send_io_evt_to_thread (udp_session->tx_fifo, - SESSION_IO_EVT_TX))) - clib_warning ("Event enqueue errored %d", err); + quic_set_udp_tx_evt (udp_session); QUIC_DBG (3, "%u[TX] %u[RX]", svm_fifo_max_dequeue (udp_session->tx_fifo), svm_fifo_max_dequeue (udp_session->rx_fifo)); @@ -424,21 +434,16 @@ quicly_error: return 1; } -/***************************************************************************** - * - * START QUICLY CALLBACKS - * Called from QUIC lib - * - *****************************************************************************/ +/* Quicly callbacks */ static void quic_on_stream_destroy (quicly_stream_t * stream, int err) { quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data; - quic_ctx_t *sctx = - quic_ctx_get (stream_data->ctx_id, stream_data->thread_index); - session_t *stream_session = - session_get (sctx->c_s_index, sctx->c_thread_index); + quic_ctx_t *sctx = quic_ctx_get (stream_data->ctx_id, + stream_data->thread_index); + session_t *stream_session = session_get (sctx->c_s_index, + sctx->c_thread_index); QUIC_DBG (2, "DESTROYED_STREAM: session 0x%lx (%U)", session_handle (stream_session), quic_format_err, err); @@ -446,7 +451,7 @@ quic_on_stream_destroy (quicly_stream_t * stream, int err) session_transport_delete_notify (&sctx->connection); quic_ctx_free (sctx); - free (stream->data); + clib_mem_free (stream->data); } static int @@ -454,10 +459,10 @@ quic_on_stop_sending (quicly_stream_t * stream, int err) { #if QUIC_DEBUG >= 2 quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data; - quic_ctx_t *sctx = - quic_ctx_get (stream_data->ctx_id, stream_data->thread_index); - session_t *stream_session = - session_get (sctx->c_s_index, sctx->c_thread_index); + quic_ctx_t *sctx = quic_ctx_get (stream_data->ctx_id, + stream_data->thread_index); + session_t *stream_session = session_get (sctx->c_s_index, + sctx->c_thread_index); clib_warning ("(NOT IMPLEMENTD) STOP_SENDING: session 0x%lx (%U)", session_handle (stream_session), quic_format_err, err); #endif @@ -469,11 +474,11 @@ static int quic_on_receive_reset (quicly_stream_t * stream, int err) { quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data; - quic_ctx_t *sctx = - quic_ctx_get (stream_data->ctx_id, stream_data->thread_index); + quic_ctx_t *sctx = quic_ctx_get (stream_data->ctx_id, + stream_data->thread_index); #if QUIC_DEBUG >= 2 - session_t *stream_session = - session_get (sctx->c_s_index, sctx->c_thread_index); + session_t *stream_session = session_get (sctx->c_s_index, + sctx->c_thread_index); clib_warning ("RESET_STREAM: session 0x%lx (%U)", session_handle (stream_session), quic_format_err, err); #endif @@ -520,9 +525,9 @@ quic_on_receive (quicly_stream_t * stream, size_t off, const void *src, } else { - rlen = - svm_fifo_enqueue_with_offset (f, off - stream_data->app_rx_data_len, - len, (u8 *) src); + rlen = svm_fifo_enqueue_with_offset (f, + off - stream_data->app_rx_data_len, + len, (u8 *) src); ASSERT (rlen == 0); } return 0; @@ -598,10 +603,9 @@ static const quicly_stream_callbacks_t quic_stream_callbacks = { .on_receive_reset = quic_on_receive_reset }; -static void -quic_accept_stream (void *s) +static int +quic_on_stream_open (quicly_stream_open_t * self, quicly_stream_t * stream) { - quicly_stream_t *stream = (quicly_stream_t *) s; session_t *stream_session, *quic_session; quic_stream_data_t *stream_data; app_worker_t *app_wrk; @@ -609,25 +613,22 @@ quic_accept_stream (void *s) u32 sctx_id; int rv; - sctx_id = quic_ctx_alloc (vlib_get_thread_index ()); + QUIC_DBG (2, "on_stream_open called"); + stream->data = clib_mem_alloc (sizeof (quic_stream_data_t)); + stream->callbacks = &quic_stream_callbacks; + /* Notify accept on parent qsession, but only if this is not a locally + * initiated stream */ + if (quicly_stream_is_self_initiated (stream)) + return 0; + sctx_id = quic_ctx_alloc (vlib_get_thread_index ()); qctx = quic_get_conn_ctx (stream->conn); /* Might need to signal that the connection is ready if the first thing the * server does is open a stream */ - if (qctx->conn_state == QUIC_CONN_STATE_HANDSHAKE) - { - if (quicly_connection_is_ready (qctx->conn)) - { - qctx->conn_state = QUIC_CONN_STATE_READY; - if (quicly_is_client (qctx->conn)) - { - quic_on_client_connected (qctx); - /* ctx might be invalidated */ - qctx = quic_get_conn_ctx (stream->conn); - } - } - } + quic_check_quic_session_connected (qctx); + /* ctx might be invalidated */ + qctx = quic_get_conn_ctx (stream->conn); stream_session = session_alloc (qctx->c_thread_index); QUIC_DBG (2, "ACCEPTED stream_session 0x%lx ctx %u", @@ -662,7 +663,7 @@ quic_accept_stream (void *s) QUIC_DBG (1, "failed to allocate fifos"); session_free (stream_session); quicly_reset_stream (stream, QUIC_APP_ALLOCATION_ERROR); - return; + return 0; /* Frame is still valid */ } svm_fifo_add_want_deq_ntf (stream_session->rx_fifo, SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL | @@ -673,20 +674,9 @@ quic_accept_stream (void *s) QUIC_DBG (1, "failed to notify accept worker app"); session_free_w_fifos (stream_session); quicly_reset_stream (stream, QUIC_APP_ACCEPT_NOTIFY_ERROR); - return; + return 0; /* Frame is still valid */ } -} -static int -quic_on_stream_open (quicly_stream_open_t * self, quicly_stream_t * stream) -{ - QUIC_DBG (2, "on_stream_open called"); - stream->data = malloc (sizeof (quic_stream_data_t)); - stream->callbacks = &quic_stream_callbacks; - /* Notify accept on parent qsession, but only if this is not a locally - * initiated stream */ - if (!quicly_stream_is_self_initiated (stream)) - quic_accept_stream (stream); return 0; } @@ -706,22 +696,10 @@ quic_on_closed_by_peer (quicly_closed_by_peer_t * self, quicly_conn_t * conn, session_transport_closing_notify (&ctx->connection); } -static quicly_stream_open_t on_stream_open = { &quic_on_stream_open }; -static quicly_closed_by_peer_t on_closed_by_peer = - { &quic_on_closed_by_peer }; - - -/***************************************************************************** - * - * END QUICLY CALLBACKS - * - *****************************************************************************/ +static quicly_stream_open_t on_stream_open = { quic_on_stream_open }; +static quicly_closed_by_peer_t on_closed_by_peer = { quic_on_closed_by_peer }; -/***************************************************************************** - * - * BEGIN TIMERS HANDLING - * - *****************************************************************************/ +/* Timer handling */ static int64_t quic_get_thread_time (u8 thread_index) @@ -809,8 +787,8 @@ quic_update_timer (quic_ctx_t * ctx) QUIC_DBG (4, "timer for ctx %u already stopped", ctx->c_c_index); return; } - ctx->timer_handle = - tw_timer_start_1t_3w_1024sl_ov (tw, ctx->c_c_index, 0, next_interval); + ctx->timer_handle = tw_timer_start_1t_3w_1024sl_ov (tw, ctx->c_c_index, + 0, next_interval); } else { @@ -838,12 +816,6 @@ quic_expired_timers_dispatch (u32 * expired_timers) } } -/***************************************************************************** - * - * END TIMERS HANDLING - * - *****************************************************************************/ - static int quic_encrypt_ticket_cb (ptls_encrypt_ticket_t * _self, ptls_t * tls, int is_encrypt, ptls_buffer_t * dst, ptls_iovec_t src) @@ -855,18 +827,18 @@ quic_encrypt_ticket_cb (ptls_encrypt_ticket_t * _self, ptls_t * tls, { /* replace the cached entry along with a newly generated session id */ - free (self->data.base); - if ((self->data.base = malloc (src.len)) == NULL) + clib_mem_free (self->data.base); + if ((self->data.base = clib_mem_alloc (src.len)) == NULL) return PTLS_ERROR_NO_MEMORY; ptls_get_context (tls)->random_bytes (self->id, sizeof (self->id)); - memcpy (self->data.base, src.base, src.len); + clib_memcpy (self->data.base, src.base, src.len); self->data.len = src.len; /* store the session id in buffer */ if ((ret = ptls_buffer_reserve (dst, sizeof (self->id))) != 0) return ret; - memcpy (dst->base + dst->off, self->id, sizeof (self->id)); + clib_memcpy (dst->base + dst->off, self->id, sizeof (self->id)); dst->off += sizeof (self->id); } @@ -876,26 +848,19 @@ quic_encrypt_ticket_cb (ptls_encrypt_ticket_t * _self, ptls_t * tls, /* check if session id is the one stored in cache */ if (src.len != sizeof (self->id)) return PTLS_ERROR_SESSION_NOT_FOUND; - if (memcmp (self->id, src.base, sizeof (self->id)) != 0) + if (clib_memcmp (self->id, src.base, sizeof (self->id)) != 0) return PTLS_ERROR_SESSION_NOT_FOUND; /* return the cached value */ if ((ret = ptls_buffer_reserve (dst, self->data.len)) != 0) return ret; - memcpy (dst->base + dst->off, self->data.base, self->data.len); + clib_memcpy (dst->base + dst->off, self->data.base, self->data.len); dst->off += self->data.len; } return 0; } -typedef struct quicly_ctx_data_ -{ - quicly_context_t quicly_ctx; - char cid_key[17]; - ptls_context_t ptls_ctx; -} quicly_ctx_data_t; - static void quic_store_quicly_ctx (application_t * app, u8 is_client) { @@ -928,7 +893,7 @@ quic_store_quicly_ctx (application_t * app, u8 is_client) ptls_ctx->encrypt_ticket = &qm->session_cache.super; app->quicly_ctx = (u64 *) quicly_ctx; - memcpy (quicly_ctx, &quicly_spec_context, sizeof (quicly_context_t)); + clib_memcpy (quicly_ctx, &quicly_spec_context, sizeof (quicly_context_t)); quicly_ctx->max_packet_size = QUIC_MAX_PACKET_SIZE; quicly_ctx->tls = ptls_ctx; @@ -946,9 +911,8 @@ quic_store_quicly_ctx (application_t * app, u8 is_client) quicly_ctx->tls->random_bytes (quicly_ctx_data->cid_key, 16); quicly_ctx_data->cid_key[16] = 0; - key_vec = - ptls_iovec_init (quicly_ctx_data->cid_key, - strlen (quicly_ctx_data->cid_key)); + key_vec = ptls_iovec_init (quicly_ctx_data->cid_key, + strlen (quicly_ctx_data->cid_key)); quicly_ctx->cid_encryptor = quicly_new_default_cid_encryptor (&ptls_openssl_bfecb, &ptls_openssl_aes128ecb, @@ -969,14 +933,10 @@ quic_store_quicly_ctx (application_t * app, u8 is_client) } } -/***************************************************************************** - * - * BEGIN TRANSPORT PROTO FUNCTIONS - * - *****************************************************************************/ +/* Transport proto functions */ static int -quic_connect_new_stream (session_t * quic_session, u32 opaque) +quic_connect_stream (session_t * quic_session, u32 opaque) { uint64_t quic_session_handle; session_t *stream_session; @@ -1008,8 +968,8 @@ quic_connect_new_stream (session_t * quic_session, u32 opaque) sctx_index = quic_ctx_alloc (quic_session->thread_index); /* Allocate before we get pointers */ sctx = quic_ctx_get (sctx_index, quic_session->thread_index); - qctx = - quic_ctx_get (quic_session->connection_index, quic_session->thread_index); + qctx = quic_ctx_get (quic_session->connection_index, + quic_session->thread_index); if (quic_ctx_is_stream (qctx)) { QUIC_DBG (1, "session is a stream"); @@ -1079,9 +1039,9 @@ quic_connect_new_stream (session_t * quic_session, u32 opaque) } static int -quic_connect_new_connection (session_endpoint_cfg_t * sep) +quic_connect_connection (session_endpoint_cfg_t * sep) { - vnet_connect_args_t _cargs = { {}, }, *cargs = &_cargs; + vnet_connect_args_t _cargs, *cargs = &_cargs; quic_main_t *qm = &quic_main; quic_ctx_t *ctx; app_worker_t *app_wrk; @@ -1089,6 +1049,7 @@ quic_connect_new_connection (session_endpoint_cfg_t * sep) u32 ctx_index; int error; + clib_memset (cargs, 0, sizeof (*cargs)); ctx_index = quic_ctx_alloc (vlib_get_thread_index ()); ctx = quic_ctx_get (ctx_index, vlib_get_thread_index ()); ctx->parent_app_wrk_id = sep->app_wrk_index; @@ -1103,8 +1064,8 @@ quic_connect_new_connection (session_endpoint_cfg_t * sep) ctx->srv_hostname = format (0, "%v", sep->hostname); else /* needed by quic for crypto + determining client / server */ - ctx->srv_hostname = - format (0, "%U", format_ip46_address, &sep->ip, sep->is_ip4); + ctx->srv_hostname = format (0, "%U", format_ip46_address, + &sep->ip, sep->is_ip4); vec_terminate_c_string (ctx->srv_hostname); clib_memcpy (&cargs->sep, sep, sizeof (session_endpoint_cfg_t)); @@ -1135,9 +1096,9 @@ quic_connect (transport_endpoint_cfg_t * tep) quic_session = session_get_from_handle_if_valid (sep->parent_handle); if (quic_session) - return quic_connect_new_stream (quic_session, sep->opaque); + return quic_connect_stream (quic_session, sep->opaque); else - return quic_connect_new_connection (sep); + return quic_connect_connection (sep); } static void @@ -1147,8 +1108,8 @@ quic_proto_on_close (u32 ctx_index, u32 thread_index) if (!ctx) return; #if QUIC_DEBUG >= 2 - session_t *stream_session = - session_get (ctx->c_s_index, ctx->c_thread_index); + session_t *stream_session = session_get (ctx->c_s_index, + ctx->c_thread_index); clib_warning ("Closing session 0x%lx", session_handle (stream_session)); #endif if (quic_ctx_is_stream (ctx)) @@ -1209,7 +1170,7 @@ quic_start_listen (u32 quic_listen_session_index, transport_endpoint_t * tep) quic_store_quicly_ctx (app, 0 /* is_client */ ); sep->transport_proto = TRANSPORT_PROTO_UDPC; - memset (args, 0, sizeof (*args)); + clib_memset (args, 0, sizeof (*args)); args->app_index = qm->app_index; args->sep_ext = *sep; args->sep_ext.ns_index = app->ns_index; @@ -1329,8 +1290,8 @@ format_quic_half_open (u8 * s, va_list * args) u32 qc_index = va_arg (*args, u32); u32 thread_index = va_arg (*args, u32); quic_ctx_t *ctx = quic_ctx_get (qc_index, thread_index); - s = - format (s, "[#%d][Q] half-open app %u", thread_index, ctx->parent_app_id); + s = format (s, "[#%d][Q] half-open app %u", thread_index, + ctx->parent_app_id); return s; } @@ -1346,12 +1307,7 @@ format_quic_listener (u8 * s, va_list * args) return s; } -/***************************************************************************** - * END TRANSPORT PROTO FUNCTIONS - * - * START SESSION CALLBACKS - * Called from UDP layer - *****************************************************************************/ +/* Session layer callbacks */ static inline void quic_build_sockaddr (struct sockaddr *sa, socklen_t * salen, @@ -1376,7 +1332,7 @@ quic_build_sockaddr (struct sockaddr *sa, socklen_t * salen, } static int -quic_on_client_connected (quic_ctx_t * ctx) +quic_on_quic_session_connected (quic_ctx_t * ctx) { session_t *quic_session; app_worker_t *app_wrk; @@ -1388,7 +1344,7 @@ quic_on_client_connected (quic_ctx_t * ctx) if (!app_wrk) { quic_disconnect_transport (ctx); - return -1; + return 0; } quic_session = session_alloc (thread_index); @@ -1429,6 +1385,24 @@ quic_on_client_connected (quic_ctx_t * ctx) return 0; } +static int +quic_check_quic_session_connected (quic_ctx_t * ctx) +{ + /* Called when we need to trigger quic session connected + * we may call this function on the server side / at + * stream opening */ + + /* Conn may be set to null if the connection is terminated */ + if (!ctx->conn || ctx->conn_state != QUIC_CONN_STATE_HANDSHAKE) + return 0; + if (!quicly_connection_is_ready (ctx->conn)) + return 0; + ctx->conn_state = QUIC_CONN_STATE_READY; + if (!quicly_is_client (ctx->conn)) + return 0; + return quic_on_quic_session_connected (ctx); +} + static void quic_receive_connection (void *arg) { @@ -1446,7 +1420,7 @@ quic_receive_connection (void *arg) new_ctx_id); - memcpy (new_ctx, temp_ctx, sizeof (quic_ctx_t)); + clib_memcpy (new_ctx, temp_ctx, sizeof (quic_ctx_t)); clib_mem_free (temp_ctx); new_ctx->c_thread_index = thread_index; @@ -1464,9 +1438,7 @@ quic_receive_connection (void *arg) /* Trigger write on this connection if necessary */ udp_session = session_get_from_handle (new_ctx->udp_session_handle); if (svm_fifo_max_dequeue (udp_session->tx_fifo)) - if (session_send_io_evt_to_thread (udp_session->tx_fifo, - SESSION_IO_EVT_TX)) - QUIC_DBG (4, "Cannot send TX event"); + quic_set_udp_tx_evt (udp_session); } static void @@ -1482,7 +1454,7 @@ quic_transfer_connection (u32 ctx_index, u32 dest_thread) ASSERT (temp_ctx); ctx = quic_ctx_get (ctx_index, thread_index); - memcpy (temp_ctx, ctx, sizeof (quic_ctx_t)); + clib_memcpy (temp_ctx, ctx, sizeof (quic_ctx_t)); /* Remove from timer wheel and thread-local pool */ if (ctx->timer_handle != QUIC_TIMER_HANDLE_INVALID) @@ -1498,8 +1470,8 @@ quic_transfer_connection (u32 ctx_index, u32 dest_thread) } static int -quic_session_connected_callback (u32 quic_app_index, u32 ctx_index, - session_t * udp_session, u8 is_fail) +quic_udp_session_connected_callback (u32 quic_app_index, u32 ctx_index, + session_t * udp_session, u8 is_fail) { QUIC_DBG (2, "QSession is now connected (id %u)", udp_session->session_index); @@ -1572,19 +1544,19 @@ quic_session_connected_callback (u32 quic_app_index, u32 ctx_index, } static void -quic_session_disconnect_callback (session_t * s) +quic_udp_session_disconnect_callback (session_t * s) { clib_warning ("UDP session disconnected???"); } static void -quic_session_reset_callback (session_t * s) +quic_udp_session_reset_callback (session_t * s) { clib_warning ("UDP session reset???"); } static void -quic_session_migrate_callback (session_t * s, session_handle_t new_sh) +quic_udp_session_migrate_callback (session_t * s, session_handle_t new_sh) { /* * TODO we need better way to get the connection from the session @@ -1614,7 +1586,7 @@ quic_session_migrate_callback (session_t * s, session_handle_t new_sh) } int -quic_session_accepted_callback (session_t * udp_session) +quic_udp_session_accepted_callback (session_t * udp_session) { /* New UDP connection, try to accept it */ u32 ctx_index; @@ -1657,8 +1629,6 @@ quic_session_accepted_callback (session_t * udp_session) static int quic_add_segment_callback (u32 client_index, u64 seg_handle) { - QUIC_DBG (2, "Called quic_add_segment_callback"); - QUIC_DBG (2, "NOT IMPLEMENTED"); /* No-op for builtin */ return 0; } @@ -1666,8 +1636,6 @@ quic_add_segment_callback (u32 client_index, u64 seg_handle) static int quic_del_segment_callback (u32 client_index, u64 seg_handle) { - QUIC_DBG (2, "Called quic_del_segment_callback"); - QUIC_DBG (2, "NOT IMPLEMENTED"); /* No-op for builtin */ return 0; } @@ -1699,9 +1667,8 @@ quic_custom_tx_callback (void *s, u32 max_burst_size) if (PREDICT_FALSE (stream_session->session_state >= SESSION_STATE_TRANSPORT_CLOSING)) return 0; - ctx = - quic_ctx_get (stream_session->connection_index, - stream_session->thread_index); + ctx = quic_ctx_get (stream_session->connection_index, + stream_session->thread_index); if (PREDICT_FALSE (!quic_ctx_is_stream (ctx))) { goto tx_end; /* Most probably a reschedule */ @@ -1778,13 +1745,40 @@ quic_find_packet_ctx (u32 * ctx_thread, u32 * ctx_index, } static int -quic_create_quic_session (quic_ctx_t * ctx) +quic_accept_connection (u32 ctx_index, struct sockaddr *sa, + socklen_t salen, quicly_decoded_packet_t packet) { + u32 thread_index = vlib_get_thread_index (); + quicly_context_t *quicly_ctx; session_t *quic_session; + clib_bihash_kv_16_8_t kv; app_worker_t *app_wrk; + quicly_conn_t *conn; + quic_ctx_t *ctx; quic_ctx_t *lctx; int rv; + /* new connection, accept and create context if packet is valid + * TODO: check if socket is actually listening? */ + ctx = quic_ctx_get (ctx_index, thread_index); + quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx); + if ((rv = quicly_accept (&conn, quicly_ctx, NULL, sa, + &packet, NULL, &quic_main.next_cid, NULL))) + { + /* Invalid packet, pass */ + assert (conn == NULL); + QUIC_DBG (1, "Accept failed with %d", rv); + /* TODO: cleanup created quic ctx and UDP session */ + return 0; + } + assert (conn != NULL); + + ++quic_main.next_cid.master_id; + /* Save ctx handle in quicly connection */ + quic_store_conn_ctx (conn, ctx); + ctx->conn = conn; + ctx->conn_state = QUIC_CONN_STATE_HANDSHAKE; + quic_session = session_alloc (ctx->c_thread_index); QUIC_DBG (2, "Allocated quic_session, 0x%lx ctx %u", session_handle (quic_session), ctx->c_c_index); @@ -1813,42 +1807,6 @@ quic_create_quic_session (quic_ctx_t * ctx) QUIC_DBG (1, "failed to notify accept worker app"); return rv; } - return 0; -} - -static int -quic_create_connection (u32 ctx_index, struct sockaddr *sa, - socklen_t salen, quicly_decoded_packet_t packet) -{ - clib_bihash_kv_16_8_t kv; - quic_ctx_t *ctx; - quicly_conn_t *conn; - u32 thread_index = vlib_get_thread_index (); - quicly_context_t *quicly_ctx; - int rv; - - /* new connection, accept and create context if packet is valid - * TODO: check if socket is actually listening? */ - ctx = quic_ctx_get (ctx_index, thread_index); - quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx); - if ((rv = quicly_accept (&conn, quicly_ctx, NULL, sa, - &packet, NULL, &quic_main.next_cid, NULL))) - { - /* Invalid packet, pass */ - assert (conn == NULL); - QUIC_DBG (1, "Accept failed with %d", rv); - /* TODO: cleanup created quic ctx and UDP session */ - return 0; - } - assert (conn != NULL); - - ++quic_main.next_cid.master_id; - /* Save ctx handle in quicly connection */ - quic_store_conn_ctx (conn, ctx); - ctx->conn = conn; - ctx->conn_state = QUIC_CONN_STATE_HANDSHAKE; - - quic_create_quic_session (ctx); /* Register connection in connections map */ quic_make_connection_key (&kv, quicly_get_master_id (conn)); @@ -1884,40 +1842,10 @@ quic_reset_connection (u64 udp_session_handle, return 1; udp_session = session_get_from_handle (udp_session_handle); rv = quic_send_datagram (udp_session, dgram); - if (svm_fifo_set_event (udp_session->tx_fifo)) - session_send_io_evt_to_thread (udp_session->tx_fifo, SESSION_IO_EVT_TX); + quic_set_udp_tx_evt (udp_session); return rv; } -typedef struct quic_rx_packet_ctx_ -{ - quicly_decoded_packet_t packet; - u8 data[QUIC_MAX_PACKET_SIZE]; - u32 ctx_index; - u32 thread_index; -} quic_rx_packet_ctx_t; - -static void -check_quic_client_connected (struct quic_rx_packet_ctx_ *quic_rx_ctx) -{ - /* ctx pointer may change if a new stream is opened */ - quic_ctx_t *ctx = quic_ctx_get (quic_rx_ctx->ctx_index, - quic_rx_ctx->thread_index); - /* Conn may be set to null if the connection is terminated */ - if (ctx->conn && ctx->conn_state == QUIC_CONN_STATE_HANDSHAKE) - { - if (quicly_connection_is_ready (ctx->conn)) - { - ctx->conn_state = QUIC_CONN_STATE_READY; - if (quicly_is_client (ctx->conn)) - { - quic_on_client_connected (ctx); - } - } - } - -} - static int quic_process_one_rx_packet (u64 udp_session_handle, quicly_context_t * quicly_ctx, svm_fifo_t * f, @@ -1965,9 +1893,8 @@ quic_process_one_rx_packet (u64 udp_session_handle, /* Quicly can read len bytes from the fifo at offset: * ph.data_offset + SESSION_CONN_HDR_LEN */ - ret = - svm_fifo_peek (f, SESSION_CONN_HDR_LEN + *fifo_offset, ph.data_length, - packet_ctx->data); + ret = svm_fifo_peek (f, SESSION_CONN_HDR_LEN + *fifo_offset, + ph.data_length, packet_ctx->data); if (ret != ph.data_length) { QUIC_DBG (1, "Not enough data peeked in RX"); @@ -1978,9 +1905,8 @@ quic_process_one_rx_packet (u64 udp_session_handle, rv = 0; quic_build_sockaddr (sa, &salen, &ph.rmt_ip, ph.rmt_port, ph.is_ip4); quicly_ctx = quic_get_quicly_ctx_from_udp (udp_session_handle); - plen = - quicly_decode_packet (quicly_ctx, &packet_ctx->packet, packet_ctx->data, - ph.data_length); + plen = quicly_decode_packet (quicly_ctx, &packet_ctx->packet, + packet_ctx->data, ph.data_length); if (plen == SIZE_MAX) { @@ -1988,9 +1914,9 @@ quic_process_one_rx_packet (u64 udp_session_handle, return 1; } - err = - quic_find_packet_ctx (&packet_ctx->thread_index, &packet_ctx->ctx_index, - sa, salen, &packet_ctx->packet, thread_index); + err = quic_find_packet_ctx (&packet_ctx->thread_index, + &packet_ctx->ctx_index, sa, salen, + &packet_ctx->packet, thread_index); if (err == 0) { ctx = quic_ctx_get (packet_ctx->ctx_index, thread_index); @@ -2010,22 +1936,22 @@ quic_process_one_rx_packet (u64 udp_session_handle, /* Try to find matching "opening" ctx */ opening_ctx_pool = quic_main.wrk_ctx[thread_index].opening_ctx_pool; - /* *INDENT-OFF* */ - pool_foreach (ctx_index_ptr, opening_ctx_pool, - ({ - ctx = quic_ctx_get (*ctx_index_ptr, thread_index); - if (ctx->udp_session_handle == udp_session_handle) - { - /* Right ctx found, create conn & remove from pool */ - quic_create_connection(*ctx_index_ptr, sa, salen, packet_ctx->packet); - *max_packet = packet_n + 1; - packet_ctx->thread_index = thread_index; - packet_ctx->ctx_index = *ctx_index_ptr; - pool_put (opening_ctx_pool, ctx_index_ptr); - goto updateOffset; - } - })); - /* *INDENT-ON* */ + /* *INDENT-OFF* */ + pool_foreach (ctx_index_ptr, opening_ctx_pool, + ({ + ctx = quic_ctx_get (*ctx_index_ptr, thread_index); + if (ctx->udp_session_handle == udp_session_handle) + { + /* Right ctx found, create conn & remove from pool */ + quic_accept_connection (*ctx_index_ptr, sa, salen, packet_ctx->packet); + *max_packet = packet_n + 1; + packet_ctx->thread_index = thread_index; + packet_ctx->ctx_index = *ctx_index_ptr; + pool_put (opening_ctx_pool, ctx_index_ptr); + goto updateOffset; + } + })); + /* *INDENT-ON* */ } else { @@ -2039,7 +1965,7 @@ updateOffset: } static int -quic_app_rx_callback (session_t * udp_session) +quic_udp_session_rx_callback (session_t * udp_session) { /* Read data from UDP rx_fifo and pass it to the quicly conn. */ application_t *app; @@ -2049,51 +1975,46 @@ quic_app_rx_callback (session_t * udp_session) u32 app_index = udp_session->opaque; u64 udp_session_handle = session_handle (udp_session); int rv = 0; - app = application_get_if_valid (app_index); u32 thread_index = vlib_get_thread_index (); quic_rx_packet_ctx_t packets_ctx[16]; + u32 i, fifo_offset, max_packets; - if (!app) + if (!(app = application_get_if_valid (app_index))) { QUIC_DBG (1, "Got RX on detached app"); /* TODO: close this session, cleanup state? */ return 1; } - do + while (1) { udp_session = session_get_from_handle (udp_session_handle); /* session alloc might have happened */ f = udp_session->rx_fifo; max_deq = svm_fifo_max_dequeue (f); if (max_deq == 0) - { - return 0; - } + return 0; - u32 fifo_offset = 0; - u32 max_packets = 16; - for (int i = 0; i < max_packets; i++) - { - quic_process_one_rx_packet (udp_session_handle, - (quicly_context_t *) app->quicly_ctx, f, - &fifo_offset, &max_packets, i, - &packets_ctx[i]); - } + fifo_offset = 0; + max_packets = 16; + for (i = 0; i < max_packets; i++) + quic_process_one_rx_packet (udp_session_handle, + (quicly_context_t *) app->quicly_ctx, f, + &fifo_offset, &max_packets, i, + &packets_ctx[i]); - for (int i = 0; i < max_packets; i++) + for (i = 0; i < max_packets; i++) { if (packets_ctx[i].thread_index != thread_index) continue; - - check_quic_client_connected (&packets_ctx[i]); - ctx = - quic_ctx_get (packets_ctx[i].ctx_index, - packets_ctx[i].thread_index); + ctx = quic_ctx_get (packets_ctx[i].ctx_index, + packets_ctx[i].thread_index); + quic_check_quic_session_connected (ctx); + ctx = quic_ctx_get (packets_ctx[i].ctx_index, + packets_ctx[i].thread_index); quic_send_packets (ctx); } svm_fifo_dequeue_drop (f, fifo_offset); } - while (1); return rv; } @@ -2135,20 +2056,16 @@ quic_get_transport_endpoint (u32 ctx_index, u32 thread_index, quic_common_get_transport_endpoint (ctx, tep, is_lcl); } -/***************************************************************************** - * END TRANSPORT PROTO FUNCTIONS -*****************************************************************************/ - /* *INDENT-OFF* */ static session_cb_vft_t quic_app_cb_vft = { - .session_accept_callback = quic_session_accepted_callback, - .session_disconnect_callback = quic_session_disconnect_callback, - .session_connected_callback = quic_session_connected_callback, - .session_reset_callback = quic_session_reset_callback, - .session_migrate_callback = quic_session_migrate_callback, + .session_accept_callback = quic_udp_session_accepted_callback, + .session_disconnect_callback = quic_udp_session_disconnect_callback, + .session_connected_callback = quic_udp_session_connected_callback, + .session_reset_callback = quic_udp_session_reset_callback, + .session_migrate_callback = quic_udp_session_migrate_callback, .add_segment_callback = quic_add_segment_callback, .del_segment_callback = quic_del_segment_callback, - .builtin_app_rx_callback = quic_app_rx_callback, + .builtin_app_rx_callback = quic_udp_session_rx_callback, }; static const transport_proto_vft_t quic_proto = { @@ -2213,8 +2130,8 @@ quic_init (vlib_main_t * vm) num_threads = 1 /* main thread */ + vtm->n_threads; - memset (a, 0, sizeof (*a)); - memset (options, 0, sizeof (options)); + clib_memset (a, 0, sizeof (*a)); + clib_memset (options, 0, sizeof (options)); a->session_cb_vft = &quic_app_cb_vft; a->api_client_index = APP_INVALID_INDEX; @@ -2354,7 +2271,7 @@ quic_plugin_showstats_command_fn (vlib_main_t * vm, } /* *INDENT-OFF* */ -VLIB_CLI_COMMAND(quic_plugin_crypto_command, static)= +VLIB_CLI_COMMAND (quic_plugin_crypto_command, static) = { .path = "quic set crypto api", .short_help = "quic set crypto api [picotls, vpp]", diff --git a/src/plugins/quic/quic.h b/src/plugins/quic/quic.h index 58dea5c4eff..d26ad37a01b 100644 --- a/src/plugins/quic/quic.h +++ b/src/plugins/quic/quic.h @@ -163,6 +163,21 @@ typedef struct quic_worker_ctx_ u32 *opening_ctx_pool; } quic_worker_ctx_t; +typedef struct quic_rx_packet_ctx_ +{ + quicly_decoded_packet_t packet; + u8 data[QUIC_MAX_PACKET_SIZE]; + u32 ctx_index; + u32 thread_index; +} quic_rx_packet_ctx_t; + +typedef struct quicly_ctx_data_ +{ + quicly_context_t quicly_ctx; + char cid_key[17]; + ptls_context_t ptls_ctx; +} quicly_ctx_data_t; + typedef struct quic_main_ { u32 app_index; |